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从 GridView 中的 ImageButton 单击获取行索引

发布于 2024-07-11 13:29:15 字数 131 浏览 6 评论 0原文

我有一个 Gridview，其中通过模板字段将 ImageButtons 添加到列中。我已将一个函数附加到“OnClick”事件。

进入此函数后，如何获取具有已单击按钮的行的索引。看来我所拥有的只是页面上的鼠标坐标。

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來不及說愛妳 2024-07-18 13:29:16

您可以使用它，而不是循环遍历行

<asp:ImageButton runat="server" id="ibtn1" ... RowIndex='<%# Container.DisplayIndex %>' 
OnClick="button_click"/>

...

protected void button_click(object sender, EventArgs e){
    ImageButton ibtn1 = sender as ImageButton;
    int rowIndex = Convert.ToInt32(ibtn1.Attributes["RowIndex"]);

    //Use this rowIndex in your code
}

Instead of looping through the rows you can use this

<asp:ImageButton runat="server" id="ibtn1" ... RowIndex='<%# Container.DisplayIndex %>' 
OnClick="button_click"/>

...

protected void button_click(object sender, EventArgs e){
    ImageButton ibtn1 = sender as ImageButton;
    int rowIndex = Convert.ToInt32(ibtn1.Attributes["RowIndex"]);

    //Use this rowIndex in your code
}

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苏佲洛 2024-07-18 13:29:16

将发送者投射到 ImageButton，然后将图像按钮的 NamingContainer 投射到一行：

VB:

Dim btn as ImageButton = CType(sender, ImageButton)

Dim row as GridViewRow = CType(btn.NamingContainer, GridViewRow)

C#:

ImageButton btn = (ImageButton)sender;

GridViewRow row = (GridViewRow)btn.NamingContainer;

Cast the sender to an ImageButton then cast the image button's NamingContainer to a row:

VB:

Dim btn as ImageButton = CType(sender, ImageButton)

Dim row as GridViewRow = CType(btn.NamingContainer, GridViewRow)

C#:

ImageButton btn = (ImageButton)sender;

GridViewRow row = (GridViewRow)btn.NamingContainer;

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哭泣的笑容 2024-07-18 13:29:16

同意 bdukes 的观点，最简单的选择是使用 CommandArgument。将数据的唯一 ID 号绑定到该属性中，然后处理 _RowCommand 事件。

例如：

<asp:TemplateField >
    <HeaderStyle Width="20" />
    <ItemTemplate>
        <asp:ImageButton ImageUrl="images/icons/iCal.png" CommandArgument='<%# Eval("Event_ID") %>' ToolTip="iCal" runat="server" Height="18" Width="18" />
    </ItemTemplate>
</asp:TemplateField>


Protected Sub gv_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles gv.RowCommand

   e.CommandArgument    'use this value in whatever way you like

End Sub

Would agree with bdukes that the simplest option is to use the CommandArgument. Bind your data's unique ID number into that property, then handle the _RowCommand event.

For example:

<asp:TemplateField >
    <HeaderStyle Width="20" />
    <ItemTemplate>
        <asp:ImageButton ImageUrl="images/icons/iCal.png" CommandArgument='<%# Eval("Event_ID") %>' ToolTip="iCal" runat="server" Height="18" Width="18" />
    </ItemTemplate>
</asp:TemplateField>


Protected Sub gv_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles gv.RowCommand

   e.CommandArgument    'use this value in whatever way you like

End Sub

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番薯 2024-07-18 13:29:16

这是非常好的技巧。
我还有一个绝招。
你可以尝试一下...

 protected void userGridview_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "Select")
        {
            GridViewRow rowSelect = (GridViewRow)(((Button)e.CommandSource).NamingContainer);
            int rowindex = rowSelect.RowIndex;
         }
    }

这也是一个好方法。

This is very good trick.
I have another trick also.
You can try it...

 protected void userGridview_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "Select")
        {
            GridViewRow rowSelect = (GridViewRow)(((Button)e.CommandSource).NamingContainer);
            int rowindex = rowSelect.RowIndex;
         }
    }

It's a also good method.

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